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Greetings! I’m experiencing a lack of audio in my home theater system, which includes the Arc, Sub, and two Ones for surround sound. I use a Sony 4K vol-wv295es projector, Apple TV 4K, and either a AV matrix or an HDFury Arcana to split video and audio. This setup used to work extraordinarily well. Now, however, I get no audio on the Sonos Arc no matter what I do. All equipment firmware is up-to-date, all HDMI cables are compatible. 

The Arc works fine when it comes to streaming music, and the Apple TV 4K can stream audio to an Apple AirPods Max Pro.

Any suggestions to get the audio working?

​@DaveP121 

So I understand you have this issue when playing sound from the ATV 4k via hdmi cable to Sonos Arc. Right so far?

How in detail your devices are connected to the audioextractor? Which one are you using at the moment? 

Hey Ralf! Thanks for the reply. 
 

Here’s the setup:

Apple TV —→ HDMI cable —→ AV ProEdge AC-MX42-AUHD

One HDMI cable goes out to the projector and looks first rate

Another 48 gbps cable goes to the Arc. 

My other setup is similar but substitute in the HDFury Arcana for the AV ProEdge.

These worked previously but for several months now there’s no audio. 

​@DaveP121 

So you are two different Sonos Arc Setups? And both stopped playing audio this way? Sorry, it’s still not clear to me, if you are using two setups or just one with alternating audioextractor hardware. 
But anyway it seems some audio settings are set wrong. 
Did you try to restart all devices?

Yeah, totally get the confusion and thanks for asking to clarify. It had to do with the evolution of the home theater as I added components. I added the HDFury after purchasing the Arc to take full advantage of the new Sonos speaker. 

 

I’ll try resetting the Apple TV and the Arc back to factory settings and see if that works.

 

Thanks for helping. Any other questions I can answer?

​@DaveP121 

I won‘t recommend a factory reset as the first thing to try. I would unplug the hd fury, the Arc and the ATV from power, wait a minute and replug them. 
Settings of hd fury are ok?

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